package com.example.code.juc;

import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;

/**
 * 集齐7颗龙珠，召唤神龙
 */
public class CyclicBarrierDemo {
    public static void main(String[] args) {
        CyclicBarrier cyclicBarrier = new CyclicBarrier(7, () -> {
            System.out.println("---召唤神龙");
        });

        for (int i = 1; i <= 7; i++) {

            new Thread(() -> {
                System.out.println(Thread.currentThread().getName()+"\t龙珠已收集");
                try {
                    cyclicBarrier.await();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                } catch (BrokenBarrierException e) {
                    e.printStackTrace();
                }

            }, String.valueOf(i)).start();
        }

    }
}
